Cantinero de Cuba

Recording by Marta Quintero.

Recording identifiers

ISRC
ES5161504270
CopyrightID (CopyrightChains transaction hash)
0xb8ee06d401b23ed5a7055435c32043e5a2345062fb613a4c3868d1235d2a9639
Copyright registration time
2026-06-11T18:39:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:7a8a7c7ab9e8c45aa7eb84801044b6372398b070c80ec3434ad4a6c91dade3fb

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.